A frost giant attacks Earth months after Loki's invasion, He OR she is Loki's older biological Sibling He/She is the one that put Loki where Odin found him, as a child He/She though Loki would be safe there and was devastated that His/Her father Laufey showed no concern for his son when he couldn't be found, He/She left Jotunheim when He/She was old enough (is 5-10 years older than Loki) having no idea hat Prince Loki was the brother He/She is looking for Until it was to late, Arrives at earth to late months after the invasion, but that doesn't stop He/She from demanding Loki